How birds fly /
An introduction to bird flight which includes a discussion of bird anatomy, feathers, and air currents and a comparison with airplane flight.
Main Author: | Freedman, Russell, 1929-2018 |
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Other Authors: | Bjorklund, Lorence F. |
Format: | Book |
Language: | English |
Published: |
New York :
Holiday House,
[1977]
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Subjects: |